<!DOCTYPE html>
<html lang="zh" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8"/>
    <title>发送邮箱首页</title>
</head>
<style type="text/css">
    body {
        font-family: Arial, sans-serif;
        display: flex;
        height: 100vh;
        margin: 0;
        justify-content: center; /* 居中 */
        align-items: center; /* 垂直居中 */
    }

    .sidebar {
        width: 200px;
        background-color: #f4f4f4;
        padding: 20px;
        height: 100%;
    }

    h1 {
        text-align: center;
    }

    .sidebar a {
        display: block;
        margin-bottom: 25px;
        text-decoration: none;
        color: #333;
        font-weight: bold;
        text-align: center;
    }

</style>
<body>
<form method="post">
    <h1>请选择你需要的功能</h1>
    <div class="sidebar">
        <a th:href="@{/emailtext}">纯文本邮件</a>
        <a th:href="@{/emailannex}">单独附件邮件</a>
        <a th:href="@{/emailimg}">单独图片邮件</a>
        <a th:href="@{/emailall}">复杂邮件</a>
        <a th:href="@{/emailtemplate}">模板邮件</a>
        <a th:href="@{/emailtiming}">设置定时发送</a>
    </div>
</form>
</body>
</html>